Imported Blood Pressure Monitor

3M 9501V mask used in PM2.5 dust environment or used to prevent respiratory disease infection. 3D design hugs the face prevents dust and does not cause fog when wearing glasses; has 3M’s exclusive 3M Cool flow breathing valve with 1-way airflow mechanism; There is an aluminum clip to help hug the bridge of the nose comfortably. 4-layer structure including PP non-woven fabric, antibacterial fabric, and electrostatic filter cotton.